EP2537048A4 - Improving image quality in photon counting-mode detector systems - Google Patents

Improving image quality in photon counting-mode detector systems Download PDF

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Publication number
EP2537048A4
EP2537048A4 EP11744960.3A EP11744960A EP2537048A4 EP 2537048 A4 EP2537048 A4 EP 2537048A4 EP 11744960 A EP11744960 A EP 11744960A EP 2537048 A4 EP2537048 A4 EP 2537048A4
Authority
EP
European Patent Office
Prior art keywords
image quality
photon counting
improving image
mode detector
detector systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP11744960.3A
Other languages
German (de)
French (fr)
Other versions
EP2537048B1 (en
EP2537048A1 (en
Inventor
Hans Bornefalk
Christer Svensson
Mats Danielsson
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Prismatic Sensors AB
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Prismatic Sensors AB
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Application filed by Prismatic Sensors AB filed Critical Prismatic Sensors AB
Priority to EP18176782.3A priority Critical patent/EP3447539A1/en
Publication of EP2537048A1 publication Critical patent/EP2537048A1/en
Publication of EP2537048A4 publication Critical patent/EP2537048A4/en
Application granted granted Critical
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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/166—Scintigraphy involving relative movement between detector and subject
    • G01T1/1663—Processing methods of scan data, e.g. involving contrast enhancement, background reduction, smoothing, motion correction, dual radio-isotope scanning, computer processing ; Ancillary equipment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/24—Measuring radiation intensity with semiconductor detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/36—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
    • G01T1/366—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry with semi-conductor detectors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/408—Dual energy

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biomedical Technology (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Measurement Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
EP11744960.3A 2010-02-17 2011-01-31 Improving image quality in photon counting-mode detector systems Active EP2537048B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18176782.3A EP3447539A1 (en) 2010-02-17 2011-01-31 Improving image quality in photon counting-mode detector systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/707,076 US8378310B2 (en) 2009-02-11 2010-02-17 Image quality in photon counting-mode detector systems
PCT/SE2011/050099 WO2011102779A1 (en) 2010-02-17 2011-01-31 Improving image quality in photon counting-mode detector systems

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP18176782.3A Division-Into EP3447539A1 (en) 2010-02-17 2011-01-31 Improving image quality in photon counting-mode detector systems
EP18176782.3A Division EP3447539A1 (en) 2010-02-17 2011-01-31 Improving image quality in photon counting-mode detector systems

Publications (3)

Publication Number Publication Date
EP2537048A1 EP2537048A1 (en) 2012-12-26
EP2537048A4 true EP2537048A4 (en) 2018-01-03
EP2537048B1 EP2537048B1 (en) 2019-04-17

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Family Applications (2)

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EP11744960.3A Active EP2537048B1 (en) 2010-02-17 2011-01-31 Improving image quality in photon counting-mode detector systems
EP18176782.3A Pending EP3447539A1 (en) 2010-02-17 2011-01-31 Improving image quality in photon counting-mode detector systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18176782.3A Pending EP3447539A1 (en) 2010-02-17 2011-01-31 Improving image quality in photon counting-mode detector systems

Country Status (4)

Country Link
US (1) US8378310B2 (en)
EP (2) EP2537048B1 (en)
CN (2) CN103892865B (en)
WO (1) WO2011102779A1 (en)

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Also Published As

Publication number Publication date
US20100215230A1 (en) 2010-08-26
EP2537048B1 (en) 2019-04-17
CN102834736A (en) 2012-12-19
CN102834736B (en) 2015-01-14
EP2537048A1 (en) 2012-12-26
CN103892865B (en) 2016-07-20
CN103892865A (en) 2014-07-02
US8378310B2 (en) 2013-02-19
WO2011102779A1 (en) 2011-08-25
EP3447539A1 (en) 2019-02-27

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